经典的蛋白质抗原纯化分离方法为 A.盐析沉淀法 B.有机溶剂沉淀法 C.凝胶过滤 D

题型:单项选择题

问题:

经典的蛋白质抗原纯化分离方法为

A.盐析沉淀法
B.有机溶剂沉淀法
C.凝胶过滤
D.离子交换层析
E.亲和层析

考点:临床医学检验技术士临床检验士相关专业知识初级临床医学检验技士相关专业知识
题型:单项选择题

阅读理解

     Reading newspapers has become an important part of everyday life. Some people read newspapers as the first thing

to do in the morning. Others read newspapers as soon as they have free time during the day so that they can learn what

is happening in the world.

     Sometimes,we do not have enough time to read all the news carefully, so we just take a quick look at the front page.

At other times,we may be in such a hurry that we only have a few minutes to look at the headlines of the passage .

     Newspapers can be found everywhere in the world.We can get many different kinds of newspapers in big cities,but

in some mountain villages we can see few newspapers.

     Some newspapers are published (也版) once a week,but most of the papers are published once a day with many

pages,some even published twice a day!You know different people enjoy reading different newspapers.Some like

world news, and others prefer short stories.They just choose what they are interested in.

     Today newspapers in English have the largest numbers of readers in the world. The English language is so popular

that many Chinese students are reading English newspapers such as China Daily or 2lst Century. Also they bring us

more and more information with Internet.

1. People read newspapers in order to _____.

A. learn the latest news

B. meet their own different needs

C. read the short stories

D. find the morning news

2. From the passage we can see that_____when people get newspapers.

A. they read them very carefully

B. they just read the headlines

C. not everyone reads all the pages

D. they have no time to read them

3. Newspapers have so many pages because_____.

A. more and more people like to read them

B. people enjoy reading something different

C. newspapers become cheaper

D. more pages mean more money

4. Newspapers_____are the most popular in the world.

A. in English

B. in Chinese

C. in other language

D. in the many pages

5. According to the passage, besides newspapers, people also get information from_____.

A. magazines

B. advertisements

C. e-mails

D. Internet

题型:单项选择题

单位工程施工平面图的设计原则包括( )。

A.施工平面布置要符合劳动保护、保安、防火的要求

B.福利设施应靠近施工现场,办公用房应在生活区范围之内

C.最大限度地减少场内运输,减少场内材料、构件的二次搬运

D.在满足现场施工要求的前提下,布置紧凑,便于管理,尽可能减少施工用地

E.临时设施的布置,应便于施工管理及工人生产和生活

题型:单项选择题

对冷疗效果较好的是

A.风湿性关节炎

B.骨性关节炎

C.创伤性关节炎

D.类风湿关节炎

E.关节滑膜炎

题型:单项选择题

高层建筑主体结构施工测量的轴线投测采用激光铅垂仪投测轴线时,首先应根据粱、柱的结构尺寸,在彼此垂直的主轴线上分别选定距轴线()的投测点。

A.0.5~0.8m

B.0.5~1.0m

C.0.6~1.0m

D.0.6~1.5m

题型:单项选择题

19世纪20年代英国的“新大学运动”中,促进了新大学()的产生。

A.牛津大学

C.伦敦大学

B.剑桥大学

D.哈佛大学

更多题库